AT-2 is the latest Mini GPS Tracker which can locate and monitor any remote targets by SMS or Internet&period; It also has two-way voice communication and remote listen-in functions&period;The unit features excellent and stable work performance&period;It used for personal&lpar;kids&sol;elderly&rpar; and Pet &lpar;Cat&sol;Dog&rpar;tracking Dimension&colon; 80&ast;37&ast;18mmBattery&colon; 1000mAh